Finding the Third Proportional to 1,320,619.78 and 1,984,084.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320,619.78 : 1,984,084.03 = 1,984,084.03 : x
2. Step 2: Convert to fraction form
   1,320,619.78/1,984,084.03 = 1,984,084.03/x
3. Step 3: Cross multiply
   1,320,619.78x = 1,984,084.03 × 1,984,084.03
4. Step 4: Simplify right side
   1,320,619.78x = 3,936,589,443,061.25
5. Step 5: Solve for x
   x = 3,936,589,443,061.25/1,320,619.78
6. Step 6: Final answer
   x = 2,980,865.12